<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    span{
      width: 200px;
      height: 100px;
      background-color: aqua;
      float: left;
    }

    .box{
      /* overflow: hidden; */
      /* float: left; */
      /* position: absolute; */
      display: table-cell;
    }
  </style>
</head>
<body>
  <div class="box">
    <span>1</span>
    <span>2</span>
    <span>3</span>
  </div>

</body>
</html>